Alert archive / Iowa / Blizzard Warnings in 2008

Blizzard Warning 3, NWS Des Moines, IA

December 20, 200827 counties in Iowa

NWS Des Moines, IA issued this blizzard warning at Dec 20, 2008, 3:48 AM CST for 27 counties in Iowa. It took effect at Dec 20, 2008, 2:45 PM CST. It was in force for 27 hr. 11 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 20, 2008, 3:48 AM CST (09:48 UTC)
In effect from
Dec 20, 2008, 2:45 PM CST
Expired
Dec 21, 2008, 6:00 PM CST
In force
27 hr
Issued by
NWS Des Moines, IA
All 27 counties

Black Hawk County, IA, Boone County, IA, Bremer County, IA, Butler County, IA, Calhoun County, IA, Carroll County, IA, Cerro Gordo County, IA, Crawford County, IA, Emmet County, IA, Franklin County, IA, Greene County, IA, Grundy County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Humboldt County, IA, Kossuth County, IA, Marshall County, IA, Palo Alto County, IA, Pocahontas County, IA, Sac County, IA, Story County, IA, Tama County, IA, Webster County, IA, Winnebago County, IA, Worth County, IA, Wright County, IA

The radar

The Des Moines radar (KDMX), 97 km from the middle of the area, began a volume at 09:47 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Dec 20, 7:35 PM CSTBLIZZARDAlgona, IAZERO VISIBILITY AT TIMES IN OPEN AREAS WITH WESTERN AND SOUTH BOUND LANES DRIFTING SHUT.
Dec 20, 7:39 PM CSTBLIZZARDForest City, IAVISIBILITY LESS THAN 1/4 MILE AT TIMES WITH WESTBOUND LANES DRIFTED OVER.
Dec 20, 7:42 PM CSTBLIZZARDNorthwood, IANEAR ZERO VISIBILITY AT TIMES WITH ROADS DRIFTING SHUT.
Dec 20, 7:52 PM CSTBLIZZARDMason City, IAVISIBILITY LESS THAN 1/4 MILE AT TIMES IN OPEN AREAS WITH DRIFTING SNOW ON ROADS.
Dec 21, 1:06 PM CSTBLIZZARDEstherville, IAVERY LOW VISIBILITY ON HWY 4 AND OTHER ROADS COUNTYWIDE. CONSIDERABLE DRIFTING. ASOS OBS AT KEST SHOWED 35+ MPH GUSTS SINCE 8 AM.
Dec 21, 1:12 PM CSTBLIZZARDAlgona, IACONSIDERABLE BLOWING SNOW AND DRIFTING. VISIBILITY RANGES FROM ONE MILE TO WHITEOUT.
Dec 21, 1:16 PM CSTBLIZZARDCarroll, IACONSIDERABLE BLOWING AND DRIFTING SNOW. WHITEOUT CONDITIONS AT TIMES. ROADS IMPASSABLE IN PLACES. ASOS OBS AT KCIN SHOWED SUSTAINED WINDS 30 MPH WITH GUSTS 35 TO 40 MPH SINCE 9 AM.
Dec 21, 1:17 PM CSTBLIZZARDRockwell City, IACONSIDERABLE BLOWING AND DRIFTING SNOW. WHITEOUT CONDITIONS AT TIMES AND ROADS IMPASSABLE IN PLACES. WIND MEASURED AS HIGH AS 47 MPH AT LAW ENFORCEMENT CENTER SINCE THIS MORNING.
Dec 21, 1:28 PM CSTBLIZZARDIowa Falls, IAREPORTS OF NEAR WHITE OUT CONDITIONS AND POOR ROADS. IOWA FALLS AWOS REPORTING GUSTS RANGING FROM 33 TO 37 MPH FROM NOON TO 1330.
Dec 21, 1:28 PM CSTBLIZZARDMason City, IANEAR WHITE OUT CONDITIONS AT TIMES WITH POOR ROAD CONDITIONS...MCW ASOS REPORTED WIND GUSTS BETWEEN 38 AND 43 MPH AT 1 PM.
Dec 21, 1:39 PM CSTBLIZZARDWaterloo, IANEAR WHITE OUT CONDITIONS AND POOR ROADS. WATERLOO ASOS REPORTING WIND GUSTS FROM 37 TO 40 MPH SINCE NOON.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 9.8 hours before the alert went out and 251 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Minneapolis, MN at 00:00Z on 2008-12-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2008-12-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1034 m above ground
0-6 km bulk shear
77 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS43 KDMX 200948
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
348 AM CST SAT DEC 20 2008

...MULTI THREAT WINTER STORM IMPACTING IOWA THIS WEEKEND...

.LOW PRESSURE WILL MOVE ACROSS THE MIDWEST TODAY...SPREADING SNOW
MAINLY OVER THE NORTHERN HALF OF IOWA. AS THE SYSTEM
DEPARTS...NORTHWEST WINDS WILL INCREASE SHARPLY THIS AFTERNOON
INTO TONIGHT WITH STRONG WINDS AND PLUMMETING TEMPERATURES
GENERATING SIGNIFICANT BLOWING AND DRIFTING OF SNOW ALONG WITH
DANGEROUS WIND CHILLS.

IAZ027-028-037>039-044>050-201800-
/O.CAN.KDMX.WS.A.0009.081220T1200Z-081222T0000Z/
/O.NEW.KDMX.BZ.A.0002.081221T0000Z-081222T0000Z/
BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-STORY-MARSHALL-TAMA-
INCLUDING THE CITIES OF...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO
348 AM CST SAT DEC 20 2008

...BLIZZARD WATCH IN EFFECT FROM THIS EVENING THROUGH SUNDAY
AFTERNOON...
...WINTER STORM WATCH IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD
WATCH...WHICH IS IN EFFECT FROM THIS EVENING THROUGH SUNDAY
AFTERNOON. THIS REPLACES THE WINTER STORM WATCH THAT WAS
PREVIOUSLY IN EFFECT.

SNOW IS EXPECTED ACROSS THE WATCH AREA TODAY WITH ACCUMULATIONS
GENERALLY BETWEEN ONE AND THREE INCHES. CONDITIONS WILL
DETERIORATE FURTHER THIS EVENING AND TONIGHT AS NORTHWEST WINDS
INCREASE SHARPLY...TO SUSTAINED SPEEDS OF 25 TO 35 MPH WITH GUSTS
OF 40 MPH OR HIGHER BY EARLY SUNDAY MORNING. THESE
WINDS...COMBINED WITH THE NEW SNOWFALL AS WELL AS THE SNOW THAT
FELL DURING THE PREVIOUS STORM...WILL GENERATE CONSIDERABLE
BLOWING AND DRIFTING SNOW AND DRAMATICALLY REDUCED VISIBILITIES
WITH BLIZZARD CONDITIONS POSSIBLE. WHITE OUT CONDITIONS ARE LIKELY
LATE SATURDAY NIGHT AND SUNDAY...ESPECIALLY IN RURAL OPEN
AREAS...MAKING TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

IN ADDITION TO THE SNOW AND BLOWING SNOW...THE COMBINATION OF
ARCTIC TEMPERATURES AND STRONG WINDS WILL GENERATE BITTERLY COLD
WIND CHILLS IN THE 25 TO 35 BELOW ZERO RANGE LATE SATURDAY NIGHT
INTO SUNDAY.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

IAZ004>007-015>017-023>026-033>036-201800-
/O.UPG.KDMX.WS.A.0009.081220T1200Z-081222T0000Z/
/O.NEW.KDMX.WW.Y.0017.081220T1500Z-081221T0000Z/
/O.NEW.KDMX.BZ.W.0003.081221T0000Z-081222T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-SAC-CALHOUN-WEBSTER-HAMILTON-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...SAC CITY...ROCKWELL CITY...
FORT DODGE...WEBSTER CITY
348 AM CST SAT DEC 20 2008

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 AM THIS MORNING TO
6 PM CST THIS AFTERNOON...
...BLIZZARD WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST
SUNDAY. A WINTER WEATHER ADVISORY HAS ALSO BEEN ISSUED. THIS
WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW IS IN EFFECT
FROM 9 AM THIS MORNING TO 6 PM CST THIS AFTERNOON. THESE PRODUCTS
REPLACE THE WINTER STORM WATCH THAT WAS PREVIOUSLY IN EFFECT.

SNOW IS EXPECTED ACROSS THE AREA TODAY WITH ACCUMULATIONS
GENERALLY BETWEEN TWO AND FOUR INCHES. THE HIGHEST AMOUNTS WILL
FALL NEAR THE MINNESOTA BORDER. CONDITIONS WILL DETERIORATE
FURTHER LATE THIS AFTERNOON AND TONIGHT AS NORTHWEST WINDS
INCREASE SHARPLY...TO SUSTAINED SPEEDS OF 25 TO 35 MPH WITH GUSTS
OF 40 MPH OR HIGHER BY EARLY SUNDAY MORNING. THESE
WINDS...COMBINED WITH THE NEW SNOWFALL AS WELL AS THE SNOW THAT
FELL DURING THE PREVIOUS STORM...WILL GENERATE SUBSTANTIAL BLOWING
AND DRIFTING SNOW AND NEAR ZERO VISIBILITIES WITH BLIZZARD
CONDITIONS EXPECTED. WHITE OUT CONDITIONS ARE LIKELY SATURDAY
NIGHT AND SUNDAY...ESPECIALLY IN RURAL OPEN AREAS...MAKING TRAVEL
EXTREMELY HAZARDOUS OR IMPOSSIBLE.

IN ADDITION TO THE SNOW AND BLOWING SNOW...THE COMBINATION OF
ARCTIC TEMPERATURES AND STRONG WINDS WILL GENERATE BITTERLY COLD
WIND CHILLS IN THE 25 TO 40 BELOW ZERO RANGE LATE SATURDAY NIGHT
INTO SUNDAY.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED. FALLING AND BLOWING SNOW WITH STRONG WINDS AND NEAR
ZERO VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITE OUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

IAZ057>062-070>075-081>086-092>097-201800-
/O.NEW.KDMX.WC.Y.0012.081221T0000Z-081222T0000Z/
AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-
WARREN-MARION-MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-
TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ADEL...
DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
348 AM CST SAT DEC 20 2008

...WIND CHILL ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 6 PM
CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO
6 PM CST SUNDAY. 

A COLD FRONT WILL PASS THROUGH THE ADVISORY AREA THIS AFTERNOON
AND EVENING. BEHIND THE FRONT TONIGHT WINDS WILL INCREASE FROM THE
NORTHWEST AND TEMPERATURES WILL PLUMMET. SUSTAINED WIND SPEEDS
WILL REACH 25 TO 30 MPH WITH GUSTS OF 35 MPH OR HIGHER BY EARLY
SUNDAY MORNING. COMBINED WITH THE ARCTIC TEMPERATURES THESE WINDS
WILL PRODUCE BITTERLY COLD WIND CHILLS IN THE 20S BELOW ZERO LATE
SATURDAY NIGHT INTO SUNDAY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

LEE
8 follow-up statements
000 
WWUS43 KDMX 201636
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1036 AM CST SAT DEC 20 2008

...SIGNIFICANT WINTER WEATHER IMPACTING IOWA THIS WEEKEND...

.LOW PRESSURE WILL MOVE ACROSS THE MIDWEST TODAY...SPREADING SNOW
ACROSS IOWA...WITH HEAVIEST AMOUNTS OVER THE NORTHERN HALF. AS THE
SYSTEM DEPARTS...NORTHWEST WINDS WILL INCREASE SHARPLY THIS
AFTERNOON INTO TONIGHT WITH STRONG WINDS AND PLUMMETING
TEMPERATURES GENERATING SIGNIFICANT BLOWING AND DRIFTING OF SNOW
ALONG WITH DANGEROUS WIND CHILLS.

IAZ004>007-015>017-023>026-033>036-210045-
/O.CON.KDMX.BZ.W.0003.081221T0000Z-081222T0000Z/
/O.CON.KDMX.WW.Y.0017.000000T0000Z-081221T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-SAC-CALHOUN-WEBSTER-HAMILTON-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...SAC CITY...ROCKWELL CITY...
FORT DODGE...WEBSTER CITY
1036 AM CST SAT DEC 20 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...BLIZZARD WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
6 PM CST SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
6 PM CST SUNDAY. A WINTER WEATHER ADVISORY REMAINS IN EFFECT
UNTIL 6 PM CST THIS AFTERNOON. 

SNOW IS EXPECTED ACROSS THE AREA TODAY WITH ACCUMULATIONS
GENERALLY BETWEEN TWO AND FIVE INCHES. THE HIGHEST AMOUNTS WILL
FALL NEAR THE MINNESOTA BORDER. CONDITIONS WILL DETERIORATE
FURTHER THIS AFTERNOON AND TONIGHT AS NORTHWEST WINDS INCREASE
SHARPLY...TO SUSTAINED SPEEDS OF 25 TO 35 MPH WITH GUSTS OF 40 MPH
OR HIGHER BY EARLY SUNDAY MORNING. THESE WINDS... COMBINED WITH
THE NEW SNOWFALL AS WELL AS THE SNOW THAT FELL DURING THE PREVIOUS
STORM...WILL GENERATE SUBSTANTIAL BLOWING AND DRIFTING SNOW AND
NEAR ZERO VISIBILITIES WITH BLIZZARD CONDITIONS EXPECTED. WHITE
OUT CONDITIONS ARE LIKELY SATURDAY NIGHT AND SUNDAY...ESPECIALLY
IN RURAL OPEN AREAS...MAKING TRAVEL EXTREMELY HAZARDOUS OR
IMPOSSIBLE.

IN ADDITION TO THE SNOW AND BLOWING SNOW...THE COMBINATION OF
ARCTIC TEMPERATURES AND STRONG WINDS WILL GENERATE BITTERLY COLD
WIND CHILLS IN THE 25 TO 40 BELOW ZERO RANGE LATE SATURDAY NIGHT
INTO SUNDAY.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED. FALLING AND BLOWING SNOW WITH STRONG WINDS AND NEAR
ZERO VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITE OUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

IAZ044>046-210045-
/O.EXA.KDMX.WW.Y.0017.000000T0000Z-081221T0000Z/
/O.CON.KDMX.BZ.A.0002.081221T0000Z-081222T0000Z/
CRAWFORD-CARROLL-GREENE-
INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON
1036 AM CST SAT DEC 20 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...BLIZZARD WATCH REMAINS IN EFFECT FROM 6 PM CST THIS EVENING
THROUGH SUNDAY AFTERNOON...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 PM
CST THIS AFTERNOON. A BLIZZARD WATCH REMAINS IN EFFECT FROM 6 PM
CST THIS EVENING THROUGH SUNDAY AFTERNOON.

SNOW IS EXPECTED ACROSS THE WATCH AREA TODAY WITH ACCUMULATIONS
GENERALLY BETWEEN ONE AND THREE INCHES. NORTHWEST WINDS INCREASING
TO 20 TO 30 MPH AND GUSTY AS THE SNOW ENDS LATE THIS MORNING AND
EARLY THIS AFTERNOON WILL CAUSE CONSIDERABLE BLOWING AND DRIFTING
SNOW...REDUCING VISIBILITY TO NEAR ZERO AT TIMES IN RURAL OPEN
AREAS. CONDITIONS WILL DETERIORATE FURTHER THIS EVENING AND
TONIGHT AS NORTHWEST WINDS INCREASE MORE...TO SUSTAINED SPEEDS
OF 25 TO 35 MPH WITH GUSTS OF 40 MPH OR HIGHER BY EARLY SUNDAY
MORNING. THESE WINDS... COMBINED WITH THE NEW SNOWFALL AS WELL AS
THE SNOW THAT FELL DURING THE PREVIOUS STORM...WILL POSSIBLY GENERATE
BLIZZARD CONDITIONS. WHITE OUT CONDITIONS ARE POSSIBLE LATE
TONIGHT AND SUNDAY...ESPECIALLY IN RURAL OPEN AREAS...MAKING
TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

IN ADDITION TO THE SNOW AND BLOWING SNOW...THE COMBINATION OF
ARCTIC TEMPERATURES AND STRONG WINDS WILL GENERATE BITTERLY COLD
WIND CHILLS IN THE 25 TO 35 BELOW ZERO RANGE LATE SATURDAY NIGHT
INTO SUNDAY.

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITY
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

IAZ057-058-070-210045-
/O.EXA.KDMX.WW.Y.0017.000000T0000Z-081221T0000Z/
/O.CON.KDMX.WC.Y.0012.081221T0000Z-081222T0000Z/
AUDUBON-GUTHRIE-CASS-
INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ATLANTIC
1036 AM CST SAT DEC 20 2008

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WINTER
WEATHER ADVISORY FOR BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 PM CST
THIS AFTERNOON. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM
THIS EVENING TO 6 PM CST SUNDAY.

SNOW IS EXPECTED ACROSS THE AREA TODAY WITH ACCUMULATIONS GENERALLY
BETWEEN ONE AND TWO INCHES. NORTHWEST WINDS INCREASING TO 20 TO
30 MPH AND GUSTY AS THE SNOW ENDS LATE THIS MORNING AND EARLY THIS
AFTERNOON WILL CAUSE CONSIDERABLE BLOWING AND DRIFTING
SNOW...REDUCING VISIBILITY TO NEAR ZERO AT TIMES IN RURAL OPEN
AREAS.

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITY
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

DURING THE AFTERNOON...WINDS WILL INCREASE FROM THE NORTHWEST AND
TEMPERATURES WILL PLUMMET. SUSTAINED WIND SPEEDS WILL REACH 25 TO
30 MPH WITH GUSTS OF 35 MPH OR HIGHER BY EARLY SUNDAY MORNING.
COMBINED WITH THE ARCTIC TEMPERATURES THESE WINDS WILL PRODUCE
BITTERLY COLD WIND CHILLS IN THE 20S BELOW ZERO LATE SATURDAY
NIGHT INTO SUNDAY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

IAZ059>062-071>075-081>086-092>097-210045-
/O.CON.KDMX.WC.Y.0012.081221T0000Z-081222T0000Z/
DALLAS-POLK-JASPER-POWESHIEK-ADAIR-MADISON-WARREN-MARION-MAHASKA-
ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-
WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ADEL...DES MOINES...NEWTON...GRINNELL...
GREENFIELD...WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...
CORNING...CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...
BEDFORD...MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
1036 AM CST SAT DEC 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM CST SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
6 PM CST SUNDAY. 

A COLD FRONT WILL PASS THROUGH THE ADVISORY AREA THIS AFTERNOON.
BEHIND THE FRONT TONIGHT WINDS WILL INCREASE FROM THE NORTHWEST
AND TEMPERATURES WILL PLUMMET. SUSTAINED WIND SPEEDS WILL REACH 25
TO 30 MPH WITH GUSTS OF 35 MPH OR HIGHER BY EARLY SUNDAY MORNING.
COMBINED WITH THE ARCTIC TEMPERATURES THESE WINDS WILL PRODUCE
BITTERLY COLD WIND CHILLS IN THE 20S BELOW ZERO LATE SATURDAY
NIGHT INTO SUNDAY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

IAZ027-028-037>039-047>050-210045-
/O.CON.KDMX.BZ.A.0002.081221T0000Z-081222T0000Z/
BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL-TAMA-
INCLUDING THE CITIES OF...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...BOONE...AMES...MARSHALLTOWN...TOLEDO
1036 AM CST SAT DEC 20 2008

...BLIZZARD WATCH REMAINS IN EFFECT FROM 6 PM CST THIS EVENING
THROUGH SUNDAY AFTERNOON...

A BLIZZARD WATCH REMAINS IN EFFECT FROM 6 PM CST THIS EVENING
THROUGH SUNDAY AFTERNOON. 

SNOW IS EXPECTED ACROSS THE WATCH AREA TODAY WITH ACCUMULATIONS
GENERALLY BETWEEN ONE AND THREE INCHES. CONDITIONS WILL
DETERIORATE FURTHER THIS EVENING AND TONIGHT AS NORTHWEST WINDS
INCREASE SHARPLY...TO SUSTAINED SPEEDS OF 25 TO 35 MPH WITH GUSTS
OF 40 MPH OR HIGHER BY EARLY SUNDAY MORNING. THESE WINDS...
COMBINED WITH THE NEW SNOWFALL AS WELL AS THE SNOW THAT FELL
DURING THE PREVIOUS STORM...WILL GENERATE CONSIDERABLE BLOWING
AND DRIFTING SNOW AND DRAMATICALLY REDUCED VISIBILITIES WITH
BLIZZARD CONDITIONS POSSIBLE. WHITE OUT CONDITIONS ARE LIKELY
LATE SATURDAY NIGHT AND SUNDAY...ESPECIALLY IN RURAL OPEN AREAS...
MAKING TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

IN ADDITION TO THE SNOW AND BLOWING SNOW...THE COMBINATION OF
ARCTIC TEMPERATURES AND STRONG WINDS WILL GENERATE BITTERLY COLD
WIND CHILLS IN THE 25 TO 35 BELOW ZERO RANGE LATE SATURDAY NIGHT
INTO SUNDAY.

A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR
BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES.
THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY
DANGEROUS.

$$

MOYER
000 
WWUS43 KDMX 202045
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
245 PM CST SAT DEC 20 2008

...BLIZZARD CONDITIONS AND EXTREME COLD FOR CENTRAL IOWA...

.SNOWFALL WILL BE ENDING LATE THIS AFTERNOON AND EARLY THIS
EVENING. HOWEVER...NORTHWEST WINDS WILL CONTINUE OR INCREASE IN
THE RANGE OF 20 TO 35 MPH WITH GUSTS 30 TO 40 MPH. THESE STRONG
WINDS ALONG WITH ALL OF THE RECENT FRESH SNOWFALL WILL RESULT IN A
LONG PERIOD OF NEAR ZERO VISIBILITY IN BLOWING AND DRIFTING SNOW ACROSS
NORTHERN IOWA...NORTH OF HIGHWAY 30. PLUMMETING TEMPERATURES
COMBINED WITH THE WIND WILL RESULT IN DANGEROUSLY COLD WIND CHILLS
BETWEEN 20 BELOW AND 40 BELOW ZERO TONIGHT AND SUNDAY. ALTHOUGH
WINDS WILL BE DIMINISHING LATE SUNDAY AFTERNOON...DANGEROUS WIND
CHILL VALUES COLDER THAN 20 BELOW ZERO WILL CONTINUE SUNDAY NIGHT.

IAZ044>046-210445-
/O.UPG.KDMX.WW.Y.0017.000000T0000Z-081221T0000Z/
/O.UPG.KDMX.BZ.A.0002.081221T0000Z-081222T0000Z/
/O.EXB.KDMX.BZ.W.0003.081220T2100Z-081222T0000Z/
CRAWFORD-CARROLL-GREENE-
INCLUDING THE CITIES OF...DENISON...CARROLL...JEFFERSON
245 PM CST SAT DEC 20 2008

...BLIZZARD WARNING IN EFFECT UNTIL 6 PM CST SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT UNTIL 6 PM CST SUNDAY. THE WINTER
WEATHER ADVISORY IS NO LONGER IN EFFECT. THE BLIZZARD WATCH IS NO
LONGER IN EFFECT. 

NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS OVER 35 MPH WILL CONTINUE
THROUGH TONIGHT AND LIKELY INCREASE TO 25 TO 35 MPH WITH GUSTS
OVER 40 MPH BY EARLY SUNDAY. THIS WILL CAUSE BLIZZARD CONDITIONS
WITH CONSIDERABLE BLOWING AND DRIFTING SNOW...REDUCING VISIBILITY
TO NEAR ZERO AT TIMES...ESPECIALLY IN RURAL OPEN AREAS...AND MAKING
TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

IN ADDITION TO THE BLIZZARD CONDITIONS...THE COMBINATION OF ARCTIC
TEMPERATURES AND STRONG WINDS WILL GENERATE BITTERLY COLD WIND
CHILLS VALUES IN THE 25 BELOW TO 35 BELOW ZERO RANGE TONIGHT AND
SUNDAY.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. IN THIS CASE...BLOWING SNOW DUE TO STRONG
WINDS WILL CAUSE POOR VISIBILITY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

IAZ027-028-037>039-047>050-210445-
/O.UPG.KDMX.BZ.A.0002.081221T0000Z-081222T0000Z/
/O.EXA.KDMX.BZ.W.0003.081221T0000Z-081222T0000Z/
BUTLER-BREMER-HARDIN-GRUNDY-BLACK HAWK-BOONE-STORY-MARSHALL-TAMA-
INCLUDING THE CITIES OF...ALLISON...WAVERLY...ELDORA...
GRUNDY CENTER...WATERLOO...BOONE...AMES...MARSHALLTOWN...TOLEDO
245 PM CST SAT DEC 20 2008

...BLIZZARD WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST
SUNDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A BLIZZARD
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM CST
SUNDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. 

NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS OVER 35 MPH WILL OCCUR
THROUGH TONIGHT AND LIKELY INCREASE TO 25 TO 35 MPH WITH GUSTS
OVER 40 MPH BY EARLY SUNDAY. THIS WILL CAUSE BLIZZARD CONDITIONS
WITH CONSIDERABLE BLOWING AND DRIFTING SNOW...REDUCING VISIBILITY
TO NEAR ZERO AT TIMES...ESPECIALLY IN RURAL OPEN AREAS...AND MAKING
TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

IN ADDITION TO THE BLIZZARD CONDITIONS...THE COMBINATION OF ARCTIC
TEMPERATURES AND STRONG WINDS WILL GENERATE BITTERLY COLD WIND
CHILLS VALUES IN THE 25 BELOW TO 35 BELOW ZERO RANGE TONIGHT AND
SUNDAY.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. IN THIS CASE...BLOWING SNOW DUE TO STRONG
WINDS WILL CAUSE POOR VISIBILITY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

IAZ004>007-015>017-023>026-033>036-210445-
/O.UPG.KDMX.WW.Y.0017.000000T0000Z-081221T0000Z/
/O.EXT.KDMX.BZ.W.0003.081220T2100Z-081222T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-SAC-CALHOUN-WEBSTER-HAMILTON-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...SAC CITY...ROCKWELL CITY...
FORT DODGE...WEBSTER CITY
245 PM CST SAT DEC 20 2008

...BLIZZARD WARNING NOW IN EFFECT UNTIL 6 PM CST SUNDAY...

THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL 6 PM CST SUNDAY. THE
WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. 

NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS OVER 35 MPH WILL CONTINUE
THROUGH TONIGHT AND LIKELY INCREASE TO 25 TO 35 MPH WITH GUSTS
OVER 40 MPH BY EARLY SUNDAY. THIS WILL CAUSE BLIZZARD CONDITIONS
WITH CONSIDERABLE BLOWING AND DRIFTING SNOW...REDUCING VISIBILITY
TO NEAR ZERO AT TIMES...ESPECIALLY IN RURAL OPEN AREAS...AND MAKING
TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

IN ADDITION TO THE BLIZZARD CONDITIONS...THE COMBINATION OF ARCTIC
TEMPERATURES AND STRONG WINDS WILL GENERATE BITTERLY COLD AND
EXTREMELY DANGEROUS WIND CHILLS VALUES IN THE 30 BELOW TO 40 BELOW
ZERO RANGE TONIGHT AND SUNDAY.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. IN THIS CASE...BLOWING SNOW DUE TO STRONG
WINDS WILL CAUSE POOR VISIBILITY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

IAZ057-058-070-210445-
/O.CON.KDMX.WW.Y.0017.000000T0000Z-081221T0000Z/
/O.CON.KDMX.WC.Y.0012.081221T0000Z-081222T0000Z/
AUDUBON-GUTHRIE-CASS-
INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ATLANTIC
245 PM CST SAT DEC 20 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM CST SUNDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 6 PM CST SUNDAY. 

NORTHWEST WINDS 20 TO 30 MPH AND GUSTY LATE THIS AFTERNOON WILL
CAUSE CONSIDERABLE BLOWING AND DRIFTING SNOW...REDUCING VISIBILITY
TO NEAR ZERO AT TIMES IN RURAL OPEN AREAS.

A WINTER WEATHER ADVISORY FOR BLOWING SNOW MEANS THAT VISIBILITY
WILL BE LIMITED DUE TO STRONG WINDS BLOWING SNOW AROUND. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

TEMPERATURES WILL CONTINUE TO FALL...INTO THE SINGLE DIGITS BELOW
ZERO TONIGHT...AND COMBINED WITH WINDS INCREASING TO 25 TO 35 MPH
BY LATE TONIGHT....BITTERLY COLD WIND CHILLS VALUES BETWEEN 20
BELOW AND 30 BELOW ZERO WILL OCCUR TONIGHT THROUGH SUNDAY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

IAZ059>062-071>075-081>086-092>097-210445-
/O.CON.KDMX.WC.Y.0012.081221T0000Z-081222T0000Z/
DALLAS-POLK-JASPER-POWESHIEK-ADAIR-MADISON-WARREN-MARION-MAHASKA-
ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-
WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ADEL...DES MOINES...NEWTON...GRINNELL...
GREENFIELD...WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...
CORNING...CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...
BEDFORD...MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
245 PM CST SAT DEC 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 6 PM CST SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
6 PM CST SUNDAY. 

NORTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS OF 35 MPH OR HIGHER
TONIGHT AND SUNDAY WILL COMBINE WITH ARCTIC TEMPERATURES TO
PRODUCE BITTERLY COLD WIND CHILLS VALUES OF 20 BELOW TO 30 BELOW
ZERO TONIGHT AND SUNDAY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

MOYER
000 
WWUS43 KDMX 210012
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
612 PM CST SAT DEC 20 2008

...BLIZZARD CONDITIONS AND EXTREME COLD FOR CENTRAL IOWA...

.A STRONG NORTHWEST WIND ALONG WITH ALL OF THE RECENT FRESH
SNOWFALL WILL RESULT IN A LONG PERIOD OF NEAR ZERO VISIBILITY IN
BLOWING AND DRIFTING SNOW ACROSS NORTHERN IOWA...NORTH OF HIGHWAY
30. PLUMMETING TEMPERATURES COMBINED WITH THE WIND WILL RESULT IN
DANGEROUSLY COLD WIND CHILLS BETWEEN 20 BELOW AND 40 BELOW ZERO
TONIGHT AND SUNDAY. ALTHOUGH WINDS WILL BE DIMINISHING LATE SUNDAY
AFTERNOON...DANGEROUS WIND CHILL VALUES COLDER THAN 20 BELOW ZERO
WILL CONTINUE SUNDAY NIGHT.

IAZ057-058-070-210815-
/O.EXP.KDMX.WW.Y.0017.000000T0000Z-081221T0000Z/
/O.CON.KDMX.WC.Y.0012.000000T0000Z-081222T0000Z/
AUDUBON-GUTHRIE-CASS-
INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ATLANTIC
612 PM CST SAT DEC 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST SUNDAY...
...WINTER WEATHER ADVISORY HAS EXPIRED...

THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. A WIND CHILL
ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST SUNDAY. 

VISIBILITY REDUCTIONS DUE TO BLOWING SNOW ARE NO LONGER OCCURRING
THIS EVENING. HOWEVER...TEMPERATURES WILL CONTINUE TO
FALL...INTO THE SINGLE DIGITS BELOW ZERO TONIGHT...AND COMBINED
WITH WINDS INCREASING TO 25 TO 35 MPH BY LATE TONIGHT....BITTERLY
COLD WIND CHILLS VALUES BETWEEN 20 BELOW AND 30 BELOW ZERO WILL
OCCUR TONIGHT THROUGH SUNDAY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. 
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

IAZ004>007-015>017-023>028-033>039-044>050-210815-
/O.CON.KDMX.BZ.W.0003.000000T0000Z-081222T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-STORY-MARSHALL-TAMA-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO
612 PM CST SAT DEC 20 2008

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST SUNDAY. 

NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS NEAR 40 MPH WILL CONTINUE
THROUGH TONIGHT AND LIKELY INCREASE TO 25 TO 35 MPH WITH GUSTS
NEAR 45 MPH BY MID SUNDAY MORNING. THIS WILL CAUSE BLIZZARD CONDITIONS
WITH CONSIDERABLE BLOWING AND DRIFTING SNOW...REDUCING VISIBILITY
TO NEAR ZERO AT TIMES...ESPECIALLY IN RURAL OPEN AREAS...AND
MAKING TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

IN ADDITION TO THE BLIZZARD CONDITIONS...THE COMBINATION OF
ARCTIC TEMPERATURES AND STRONG WINDS WILL GENERATE BITTERLY COLD
WIND CHILLS VALUES AS LOW AS 30 TO 40 BELOW ZERO TONIGHT AND
SUNDAY.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. IN THIS CASE...BLOWING SNOW DUE TO STRONG
WINDS WILL CAUSE POOR VISIBILITY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

IAZ059>062-071>075-081>086-092>097-210815-
/O.CON.KDMX.WC.Y.0012.000000T0000Z-081222T0000Z/
DALLAS-POLK-JASPER-POWESHIEK-ADAIR-MADISON-WARREN-MARION-MAHASKA-
ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-
WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...ADEL...DES MOINES...NEWTON...GRINNELL...
GREENFIELD...WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...
CORNING...CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...
BEDFORD...MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
612 PM CST SAT DEC 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST SUNDAY. 

NORTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS OF 35 MPH OR HIGHER
TONIGHT AND SUNDAY WILL COMBINE WITH ARCTIC TEMPERATURES TO
PRODUCE BITTERLY COLD WIND CHILLS VALUES OF 20 BELOW TO 30 BELOW
ZERO TONIGHT AND SUNDAY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

KINNEY
000 
WWUS43 KDMX 210316
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
916 PM CST SAT DEC 20 2008

...BLIZZARD CONDITIONS AND EXTREME COLD FOR CENTRAL IOWA...

.A STRONG NORTHWEST WIND ALONG WITH ALL OF THE RECENT FRESH
SNOWFALL WILL RESULT IN A LONG PERIOD OF NEAR ZERO VISIBILITY IN
BLOWING AND DRIFTING SNOW ACROSS NORTHERN IOWA...NORTH OF HIGHWAY
30. PLUMMETING TEMPERATURES COMBINED WITH THE WIND WILL RESULT IN
DANGEROUSLY COLD WIND CHILLS BETWEEN 20 BELOW AND 40 BELOW ZERO
TONIGHT AND SUNDAY. ALTHOUGH WINDS WILL BE DIMINISHING LATE
SUNDAY AFTERNOON...DANGEROUS WIND CHILL VALUES COLDER THAN
20 BELOW ZERO WILL CONTINUE SUNDAY NIGHT.

IAZ004>007-015>017-023>028-033>039-044>050-211115-
/O.CON.KDMX.BZ.W.0003.000000T0000Z-081222T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-STORY-MARSHALL-TAMA-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO
916 PM CST SAT DEC 20 2008

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST SUNDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST SUNDAY. 

NORTHWEST WINDS 20 TO 30 MPH WITH GUSTS NEAR 40 MPH WILL CONTINUE
OVERNIGHT AND LIKELY INCREASE TO 25 TO 35 MPH WITH GUSTS
NEAR 45 MPH BY MID SUNDAY MORNING. LAW ENFORCEMENT OFFICIALS ACROSS
NORTHERN IOWA CONTINUE TO REPORT NEAR ZERO VISIBILITY AT TIMES IN
OPEN AREAS DUE TO BLOWING SNOW. SIGNIFICANT DRIFTING IS ALSO
OCCURRING...ESPECIALLY SECONDARY AND GRAVEL ROADS. TRAVEL IS NOT
ADVISED ACROSS MUCH OF NORTHERN IOWA.

IN ADDITION TO THE BLIZZARD CONDITIONS...THE COMBINATION OF
ARCTIC TEMPERATURES AND STRONG WINDS WILL GENERATE BITTERLY COLD
WIND CHILLS VALUES AS LOW AS 30 TO 40 BELOW ZERO OVERNIGHT AND SUNDAY.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. IN THIS CASE...BLOWING SNOW DUE TO STRONG
WINDS WILL CAUSE POOR VISIBILITY. THIS WILL LEAD TO WHITEOUT
CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF
YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET
STRANDED...STAY WITH YOUR VEHICLE.

$$

IAZ057>062-070>075-081>086-092>097-211115-
/O.CON.KDMX.WC.Y.0012.000000T0000Z-081222T0000Z/
AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-
WARREN-MARION-MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-
TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ADEL...
DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
916 PM CST SAT DEC 20 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST SUNDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 6 PM CST SUNDAY. 

BITTERLY COLD TEMPERATURES OVERNIGHT WILL COMBINE WITH WINDS
INCREASING TO 25 TO 35 MPH....TO PRODUCE BITTERLY COLD WIND
CHILLS VALUES BETWEEN 20 BELOW AND 30 BELOW ZERO. THESE CONDITIONS
WILL CONTINUE THROUGH SUNDAY.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

KINNEY
000 
WWUS43 KDMX 210946
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
346 AM CST SUN DEC 21 2008

...BLIZZARD CONDITIONS AND EXTREME COLD FOR CENTRAL IOWA...

.A STRONG NORTHWEST WIND ALONG WITH ALL OF THE RECENT FRESH
SNOWFALL WILL RESULT IN A LONG PERIOD OF NEAR ZERO VISIBILITY IN
BLOWING AND DRIFTING SNOW ACROSS NORTHERN IOWA...NORTH OF HIGHWAY
30. IN ADDITION...PLUMMETING TEMPERATURES COMBINED WITH THE WIND
WILL RESULT IN DANGEROUSLY COLD WIND CHILLS BETWEEN 20 BELOW AND
40 BELOW ZERO TODAY. ALTHOUGH WINDS WILL BE DIMINISHING LATE
THIS AFTERNOON...DANGEROUS WIND CHILL VALUES COLDER THAN 20 BELOW
ZERO WILL CONTINUE SUNDAY NIGHT AS TEMPERATURES FALL EVEN FURTHER.

IAZ004>007-015>017-023>028-033>039-044>050-211815-
/O.NEW.KDMX.WC.W.0004.081222T0000Z-081222T1000Z/
/O.CON.KDMX.BZ.W.0003.000000T0000Z-081222T0000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-STORY-MARSHALL-TAMA-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO
346 AM CST SUN DEC 21 2008

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...WIND CHILL WARNING IN EFFECT FROM 6 PM THIS EVENING TO 4 AM
CST MONDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 4 AM
CST MONDAY. A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST
THIS AFTERNOON.

NORTHWEST WINDS OF 20 TO 25 MPH WITH GUSTS NEAR 35 MPH EARLY THIS
MORNING WILL INCREASE TO 25 TO 30 MPH WITH GUSTS UP TO 45 MPH BY
MID MORNING. LAW ENFORCEMENT OFFICIALS ACROSS NORTHERN IOWA
HAVE ALREADY REPORTED NEAR ZERO VISIBILITY AT TIMES IN OPEN AREAS
DUE TO BLOWING SNOW. SIGNIFICANT DRIFTING IS ALSO
OCCURRING...ESPECIALLY SECONDARY AND GRAVEL ROADS. TRAVEL IS NOT
ADVISED ACROSS MUCH OF NORTHERN IOWA.

IN ADDITION TO THE BLIZZARD CONDITIONS...THE COMBINATION OF
ARCTIC TEMPERATURES AND STRONG WINDS WILL GENERATE BITTERLY COLD
WIND CHILLS VALUES AS LOW AS 30 TO 40 BELOW TODAY INTO TONIGHT.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. IN THIS CASE...BLOWING SNOW DUE TO STRONG
WINDS WILL CAUSE VERY POOR VISIBILITY. IN SOME LOCATIONS THIS
WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY
DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER
SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR
VEHICLE.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

IAZ057>062-070>075-081>086-092>097-211815-
/O.EXT.KDMX.WC.Y.0012.000000T0000Z-081222T1000Z/
AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-
WARREN-MARION-MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-
TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ADEL...
DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
346 AM CST SUN DEC 21 2008

...WIND CHILL ADVISORY NOW IN EFFECT UNTIL 4 AM CST MONDAY...

THE WIND CHILL ADVISORY IS NOW IN EFFECT UNTIL 4 AM CST MONDAY. 

BITTERLY COLD TEMPERATURES WILL COMBINE WITH WINDS INCREASING TO
25 TO 30 MPH WITH HIGHER GUSTS...TO PRODUCE BITTERLY COLD WIND
CHILLS VALUES BETWEEN 20 BELOW AND 30 BELOW ZERO. THESE CONDITIONS
WILL CONTINUE THROUGH TODAY AND INTO TONIGHT.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

LEE
000 
WWUS43 KDMX 211637
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
1037 AM CST SUN DEC 21 2008

...BLIZZARD CONDITIONS AND EXTREME COLD FOR CENTRAL IOWA...

.A STRONG NORTHWEST WIND ALONG WITH ALL OF THE RECENT FRESH
SNOWFALL WILL RESULT IN A LONG PERIOD OF NEAR ZERO VISIBILITY IN
BLOWING AND DRIFTING SNOW ACROSS NORTHERN IOWA...NORTH OF HIGHWAY
30. IN ADDITION...ARCTIC TEMPERATURES COMBINED WITH THE WIND
WILL RESULT IN DANGEROUSLY COLD WIND CHILLS BETWEEN 20 BELOW AND
40 BELOW ZERO TODAY. ALTHOUGH WINDS WILL BE DIMINISHING LATE THIS
AFTERNOON...DANGEROUS WIND CHILL VALUES COLDER THAN 20 BELOW ZERO
WILL CONTINUE SUNDAY NIGHT AS TEMPERATURES FALL WELL BELOW ZERO.

IAZ004>007-015>017-023>028-033>039-044>050-220045-
/O.CON.KDMX.BZ.W.0003.000000T0000Z-081222T0000Z/
/O.CON.KDMX.WC.W.0004.081222T0000Z-081222T1000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-STORY-MARSHALL-TAMA-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO
1037 AM CST SUN DEC 21 2008

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...WIND CHILL WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
4 AM CST MONDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. A WIND CHILL WARNING REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 4 AM CST MONDAY. 

NORTHWEST WINDS WILL BLOW 25 TO 30 MPH WITH GUSTS UP TO 45
MPH THROUGH THE AFTERNOON. LAW ENFORCEMENT OFFICIALS ACROSS NORTHERN
IOWA CONTINUE TO REPORT NEAR ZERO VISIBILITY AT TIMES IN OPEN
AREAS DUE TO BLOWING SNOW. SIGNIFICANT DRIFTING IS ALSO
OCCURRING...ESPECIALLY ON SECONDARY AND GRAVEL ROADS.

IN ADDITION TO THE GROUND BLIZZARD CONDITIONS...THE COMBINATION OF
ARCTIC TEMPERATURES AND STRONG WINDS WILL GENERATE BITTERLY COLD
WIND CHILLS VALUES AS LOW AS 30 BELOW TO 40 BELOW ZERO THROUGH
TONIGHT.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. IN THIS CASE...BLOWING SNOW DUE TO STRONG
WINDS WILL CAUSE VERY POOR VISIBILITY. IN SOME LOCATIONS THIS
WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY
DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER
SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR
VEHICLE.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

IAZ057>062-070>075-081>086-092>097-220045-
/O.CON.KDMX.WC.Y.0012.000000T0000Z-081222T1000Z/
AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-
WARREN-MARION-MAHASKA-ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-
TAYLOR-RINGGOLD-DECATUR-WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ADEL...
DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA...CORNING...
CRESTON...OSCEOLA...CHARITON...ALBIA...OTTUMWA...BEDFORD...
MOUNT AYR...LEON...CORYDON...CENTERVILLE...BLOOMFIELD
1037 AM CST SUN DEC 21 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY. 

BITTERLY COLD TEMPERATURES WILL COMBINE WITH WINDS 20 TO 30 MPH
WITH GUSTS OVER 40 MPH...TO PRODUCE BITTERLY COLD WIND CHILL VALUES
BETWEEN 20 BELOW AND 30 BELOW ZERO. THESE BITTERLY COLD WIND CHILL
TEMPERATURES WILL CONTINUE THROUGH TONIGHT...THOUGH WINDS WILL
SLOWLY DIMINISH THROUGH THE EVENING HOURS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG
WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT
IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT
TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

MOYER
000 
WWUS43 KDMX 212101
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
301 PM CST SUN DEC 21 2008

...BLIZZARD CONDITIONS THROUGH EARLY EVENING AND EXTREME COLD
CONTINUING TONIGHT...

.A STRONG NORTHWEST WIND WILL CONTINUE 25 TO 45 MPH LATE THIS
AFTERNOON...RESULTING IN NEAR ZERO VISIBILITY IN BLOWING AND
DRIFTING SNOW ACROSS NORTHERN IOWA...NORTH OF HIGHWAY 30. IN
ADDITION...ARCTIC TEMPERATURES COMBINED WITH THE WIND WILL RESULT
IN DANGEROUSLY COLD WIND CHILLS BETWEEN 20 BELOW AND 40 BELOW ZERO
THROUGH TONIGHT. 

IAZ057>062-070>075-220515-
/O.UPG.KDMX.WC.Y.0012.000000T0000Z-081222T1000Z/
/O.EXB.KDMX.WC.W.0004.081221T2101Z-081222T1000Z/
AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-
WARREN-MARION-MAHASKA-
INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ADEL...
DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA
301 PM CST SUN DEC 21 2008

...WIND CHILL WARNING IN EFFECT UNTIL 4 AM CST MONDAY...

THE NATIONAL WEATHER SERVICE IN DES MOINES HAS ISSUED A WIND
CHILL WARNING...WHICH IS IN EFFECT UNTIL 4 AM CST MONDAY. THE
WIND CHILL ADVISORY IS NO LONGER IN EFFECT. 

BITTERLY COLD TEMPERATURES WILL COMBINE WITH WINDS 20 TO 30 MPH
AND GUSTS OVER 40 MPH...TO PRODUCE BITTERLY COLD WIND CHILL
VALUES BETWEEN 25 BELOW AND 35 BELOW ZERO. THESE BITTERLY COLD
WIND CHILL TEMPERATURES WILL CONTINUE THROUGH TONIGHT...THOUGH
WINDS WILL SLOWLY DIMINISH THROUGH THE EVENING HOURS.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

IAZ004>007-015>017-023>028-033>039-044>050-220515-
/O.CON.KDMX.BZ.W.0003.000000T0000Z-081222T0000Z/
/O.CON.KDMX.WC.W.0004.081222T0000Z-081222T1000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-STORY-MARSHALL-TAMA-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO
301 PM CST SUN DEC 21 2008

...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON...
...WIND CHILL WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING TO
4 AM CST MONDAY...

A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM CST THIS
AFTERNOON. A WIND CHILL WARNING REMAINS IN EFFECT FROM 6 PM THIS
EVENING TO 4 AM CST MONDAY. 

NORTHWEST WINDS WILL BLOW 25 TO 30 MPH WITH GUSTS UP TO 45 MPH
THROUGH THE AFTERNOON. LAW ENFORCEMENT OFFICIALS ACROSS NORTHERN
IOWA CONTINUE TO REPORT NEAR ZERO VISIBILITY AT TIMES IN OPEN
AREAS DUE TO BLOWING SNOW. SIGNIFICANT DRIFTING IS ALSO
OCCURRING...CAUSING MANY ROADS TO BE IMPASSABLE.

IN ADDITION TO THE GROUND BLIZZARD CONDITIONS...THE COMBINATION
OF ARCTIC TEMPERATURES AND STRONG WINDS WILL GENERATE BITTERLY
COLD WIND CHILLS VALUES AS LOW AS 30 BELOW TO 40 BELOW ZERO
THROUGH TONIGHT.

A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE
EXPECTED OR OCCURRING. IN THIS CASE...BLOWING SNOW DUE TO STRONG
WINDS WILL CAUSE VERY POOR VISIBILITY. IN SOME LOCATIONS THIS
WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY
DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER
SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR
VEHICLE.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

IAZ081>086-092>097-220515-
/O.CON.KDMX.WC.Y.0012.000000T0000Z-081222T1000Z/
ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-
WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...CORNING...CRESTON...OSCEOLA...
CHARITON...ALBIA...OTTUMWA...BEDFORD...MOUNT AYR...LEON...
CORYDON...CENTERVILLE...BLOOMFIELD
301 PM CST SUN DEC 21 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY. 

BITTERLY COLD TEMPERATURES WILL COMBINE WITH WINDS 20 TO 30 MPH
AND GUSTS OVER 40 MPH...TO PRODUCE BITTERLY COLD WIND CHILL
VALUES BETWEEN 20 BELOW AND 30 BELOW ZERO. THESE BITTERLY COLD
WIND CHILL TEMPERATURES WILL CONTINUE THROUGH TONIGHT...THOUGH
WINDS WILL SLOWLY DIMINISH THROUGH THE EVENING HOURS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

MOYER
000 
WWUS43 KDMX 220011
WSWDMX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DES MOINES IA
611 PM CST SUN DEC 21 2008

...EXTREME COLD CONTINUING TONIGHT...

IAZ004>007-015>017-023>028-033>039-044>050-220815-
/O.EXP.KDMX.BZ.W.0003.000000T0000Z-081222T0000Z/
/O.CON.KDMX.WC.W.0004.000000T0000Z-081222T1000Z/
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
POCAHONTAS-HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-SAC-CALHOUN-
WEBSTER-HAMILTON-HARDIN-GRUNDY-BLACK HAWK-CRAWFORD-CARROLL-GREENE-
BOONE-STORY-MARSHALL-TAMA-
INCLUDING THE CITIES OF...ESTHERVILLE...ALGONA...FOREST CITY...
NORTHWOOD...EMMETSBURG...GARNER...MASON CITY...POCAHONTAS...
HUMBOLDT...CLARION...HAMPTON...ALLISON...WAVERLY...SAC CITY...
ROCKWELL CITY...FORT DODGE...WEBSTER CITY...ELDORA...
GRUNDY CENTER...WATERLOO...DENISON...CARROLL...JEFFERSON...
BOONE...AMES...MARSHALLTOWN...TOLEDO
611 PM CST SUN DEC 21 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 4 AM CST MONDAY...
...BLIZZARD WARNING HAS EXPIRED...

THE BLIZZARD WARNING IS NO LONGER IN EFFECT. A WIND CHILL WARNING
REMAINS IN EFFECT UNTIL 4 AM CST MONDAY. 

A STRONG NORTHWEST WIND WILL CONTINUE TO GRADUALLY DIMINISH THIS
EVENING. THE THREAT FOR SIGNIFICANT REDUCTIONS IN VISIBILITY DUE
TO BLOWING SNOW HAS ENDED...ALTHOUGH SOME ADDITIONAL DRIFTING OF
SNOW MAY OCCUR IN OPEN AREAS THROUGH LATE EVENING.

THE COMBINATION OF ARCTIC TEMPERATURES AND STRONG WINDS WILL
GENERATE BITTERLY COLD WIND CHILLS VALUES AS LOW AS 30 BELOW TO 40
BELOW ZERO THROUGH TONIGHT.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

IAZ057>062-070>075-220815-
/O.CON.KDMX.WC.W.0004.000000T0000Z-081222T1000Z/
AUDUBON-GUTHRIE-DALLAS-POLK-JASPER-POWESHIEK-CASS-ADAIR-MADISON-
WARREN-MARION-MAHASKA-
INCLUDING THE CITIES OF...AUDUBON...GUTHRIE CENTER...ADEL...
DES MOINES...NEWTON...GRINNELL...ATLANTIC...GREENFIELD...
WINTERSET...INDIANOLA...KNOXVILLE...OSKALOOSA
611 PM CST SUN DEC 21 2008

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 4 AM CST MONDAY...

A WIND CHILL WARNING REMAINS IN EFFECT UNTIL 4 AM CST MONDAY. 

BITTERLY COLD TEMPERATURES WILL COMBINE WITH A STRONG NORTHWEST
WIND20 TO PRODUCE BITTERLY COLD WIND CHILL VALUES BETWEEN 25
BELOW AND 35 BELOW ZERO. THESE BITTERLY COLD WIND CHILL
TEMPERATURES WILL CONTINUE THROUGH TONIGHT...THOUGH WINDS WILL
SLOWLY DIMINISH THROUGH THE EVENING HOURS.

A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND
STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS
WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF
PRECAUTIONS ARE NOT TAKEN.

$$

IAZ081>086-092>097-220815-
/O.CON.KDMX.WC.Y.0012.000000T0000Z-081222T1000Z/
ADAMS-UNION-CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-
WAYNE-APPANOOSE-DAVIS-
INCLUDING THE CITIES OF...CORNING...CRESTON...OSCEOLA...
CHARITON...ALBIA...OTTUMWA...BEDFORD...MOUNT AYR...LEON...
CORYDON...CENTERVILLE...BLOOMFIELD
611 PM CST SUN DEC 21 2008

...WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY...

A WIND CHILL ADVISORY REMAINS IN EFFECT UNTIL 4 AM CST MONDAY. 

BITTERLY COLD TEMPERATURES WILL COMBINE WITH A BRISK NORTHWEST
WIND TO PRODUCE BITTERLY COLD WIND CHILL VALUES BETWEEN 20 BELOW
AND 30 BELOW ZERO. THESE BITTERLY COLD WIND CHILL TEMPERATURES
WILL CONTINUE THROUGH TONIGHT...THOUGH WINDS WILL SLOWLY DIMINISH
THROUGH THE EVENING HOURS.

A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS
WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN
FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN.
IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND
GLOVES.

$$

KINNEY

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 20, 3:48 AM CSTBlizzard WatchDMXBlack Hawk, Boone, Bremer, Butler, Carroll, Crawford and 6 more11 hr
Dec 20, 3:48 AM CSTWind Chill AdvisoryDMXAdair, Adams, Appanoose, Audubon, Cass, Clarke and 18 more48 hr
Dec 20, 3:48 AM CSTWinter Weather AdvisoryDMXAudubon, Calhoun, Carroll, Cass, Cerro Gordo, Crawford and 15 more14 hr

Nearby

Blizzard Warnings in Iowa, 2008Every blizzard warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.